jquery.serialize-object | jQuery plugin that will serialize forms | Application Framework library

var $form = $('form#bookingForm'),
url = 'https://script.google.com/macros/s/AKfycbwaEsXX1iK8nNkkvL57WCYHJCtMAbXlfSpSn3rsJj2spRi-41Y/exec'

function validateForm() {
var errorMessage="";
var name=document.forms["bookingForm"]["name"].value;
if (name==null ||name==""){
    errorMessage = "Your Name is required.\
    ";
return true;
}

if (errorMessage !=""){
    alert(errorMessage);
    return false;
}
}

$('#submit-form').on('click', function(e) {
//e.preventDefault();

var res = validateForm();
if(res != false) {

var jqxhr = $.ajax({
    url: url,
    method: "GET",
    dataType: "json",
    data: $form.serializeObject(),
    success: function () {
        $('#redirect_page').modal('show');
        window.setTimeout(function(){location.reload()},3000);
    }
});
} else {
//handle else condition however u want
}
});